Open a shared file under another user and domain?

Question

I have a C# console application that needs to read a shared file on a machine in another domain. When the application tries to access the file an exception occurs as the loc

Answer 1

a) p/invoke LogonUser with LOGON32_LOGON_NEW_CREDENTIALS and create a new WindowsIdentity with the new token, then use normal file access.

b) p/invoke WNetAddConnection3. Be advised that this makes your remote share accessible to every other process on your machine.

c) WMI via System.Management and CIM_DataFile; you won't even need p/invoke. System.Management lets you specify credentials for remote machine.